g=12.7g = 12.7g=12.7 correct to 3 significant figures
h=kh = kh=k correct to 3 decimal places, where k>0.0005k > 0.0005k>0.0005
By considering bounds, work out the lower bound and the upper bound for f f\,f in terms of kkk. Give a reason for your answer.
193 exam-style questions on Eduqas GCSE Maths Bounds. Each one has a worked solution and a mark scheme showing where the marks go.